The Uniform Resource Locator (URL) is the standard method of specifying the location (or address) of an object (or resource) on the Internet. The URL for a particular site on the World Wide Web (WWW or Web) can be compared to a postal address for a particular physical location. Typical objects located on Web pages include information and documents, and these objects usually also transport users to other pages on the Web. (In the past URL was the acronym for Universal Resource Locator, but has been generally replaced by the term Uniform Resource Locator.) URLs are used to specify the protocol (a standard procedure for regulating data transmission between computers) to be used. For example, URLs are used in the Web's protocol, called HTTP (HyperText Transfer Protocol), where the resource can be an HTML (HyperText Markup Language) page, an image file, a...